T/BYXT 004.5-2022 Rare earth anti-bacterial intermediate material Part 5: Butyl acrylate rubber (NBR)

Scope

Scope: This document specifies the terms and definitions, classification, general principles, sampling, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for rare earth antibacterial intermediate materials nitrile rubber (NBR). This document applies to the preparation and processing of rare earth antibacterial intermediate materials nitrile rubber (NBR). Other nitrile rubber materials can be implemented with reference to this document. Main technical content: I. Product classification, names, and production standards, see Table 1. Table 1: Product classification, names, and production standards Classification number Product name Production standard 01 Rare earth antibacterial synthetic latex Carboxylated nitrile rubber (XNBRL) GB/T 25260.202 02 Rare earth antibacterial powdered nitrile rubber HG/T 4849 II. Product model and zinc-loaded antibacterial powder components shall comply with the requirements of Table 2. Table 2: Product model and zinc-loaded antibacterial powder components Product model Product name Zinc-loaded antibacterial powder content (mass fraction/%) Component method REA-NBR01-2N Rare earth antibacterial synthetic latex Carboxylated nitrile rubber (XNBRL) 0.1-5 Mixing method REA-NBR02-2N Rare earth antibacterial powdered nitrile rubber 0.1-5 Mixing method a Rare earth antibacterial base material zinc-loaded antibacterial powder shall comply with the requirements of Chapter 4 of T/BYXT 003.1-2022. b The product model reference shall follow the notation method of GB/T 17803: the first layer is represented by the initial letter "REA" for rare earth antibacterial; the second layer "NBR01" represents the rare earth antibacterial nitrile rubber (NBR) masterbatch with a classification number of 01; the third layer "2N" represents an antibacterial rate of 99% (where "2" represents the number of "9s", and "N" is the first letter of the Engl

Development Information

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